package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo3 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true","root","root");
        Statement statement = connection.createStatement();
        System.out.println("请输入用户名");
        Scanner scanner = new Scanner(System.in);
        String username = scanner.next();
        String sql = "DELETE FROM userinfo WHERE username = '"+username+"';";
        int i =statement.executeUpdate(sql);
        if(i>=1){
            System.out.println("注销成功");
        }else{
            System.out.println("注销失败");
        }
    }
}
